CN114103614A - Two-gear speed change bridge driving system - Google Patents

Two-gear speed change bridge driving system Download PDF

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Publication number
CN114103614A
CN114103614A CN202010895344.9A CN202010895344A CN114103614A CN 114103614 A CN114103614 A CN 114103614A CN 202010895344 A CN202010895344 A CN 202010895344A CN 114103614 A CN114103614 A CN 114103614A
Authority
CN
China
Prior art keywords
gear
shaft
gear set
drive system
differential
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010895344.9A
Other languages
Chinese (zh)
Inventor
栗娜
张仁
汤清
曹德义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to CN202010895344.9A priority Critical patent/CN114103614A/en
Publication of CN114103614A publication Critical patent/CN114103614A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/70—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention provides a two-gear speed-changing bridge driving system, which comprises a motor (E) and a synchronizer (10), two ring gear sets, a planetary gear set (30) and a first shaft (S10), the rotor of an electric machine (E) and the first shaft (S10) transmit torque to each other, the synchronizer (10) comprises a sliding sleeve (11) and a hub (12), the sliding sleeve (11) can enable the hub (12) to be selectively connected with the first ring gear (21) or the second ring gear (22) in a non-rotating mode, the hub (12) is used for transmitting torque to a differential (D), the first ring gear (21) is connected with the first shaft (S10) in a non-rotating mode, the second ring gear (22) is connected with a planet carrier (33) of the planetary gear set (30) in a non-rotating mode, the first shaft (S10) is also connected with a sun gear (31) of the planetary gear set (30) in a non-rotating mode, and the ring gear (34) of the planetary gear set (30) is fixed. The electric bridge driving system has compact structure and small occupied space and can realize two-gear speed change.

Description

Two-gear speed change bridge driving system
Technical Field
The invention relates to the field of motor vehicles, in particular to the field of transmissions of vehicles, in particular to an electric bridge driving system in a pure electric vehicle or a hybrid vehicle, and more particularly to an electric bridge driving system with two-gear speed change.
Background
For electric vehicles, including pure electric vehicles and hybrid (hybrid electric vehicles), the electric driving mode includes two driving modes, namely central motor driving and hub motor driving. One common arrangement of a central motor drive system is also known as an electric bridge (eexle) drive system.
Fig. 1 shows a two-speed bridge drive system comprising an electric motor E, a differential D, a double clutch C, a motor shaft Se, a first shaft S1, a second shaft S2 and three gear sets.
The driving part of the double clutch C is connected to the motor shaft Se in a rotationally fixed manner (i.e. in a rotationally fixed manner). The two driven disks of the dual clutch C are connected in a rotationally fixed manner to the first gear set G1 and the second gear set G2, respectively, in order to provide two different gear ratios. The first gear set G1 and the second gear set G2 transfer power between the first shaft S1 and the second shaft S2. The third gearset G3 transfers power from the second shaft S2 to the differential D.
The double clutch C used in the above-mentioned bridge driving system has a complex structure, and it needs two actuators to respectively operate the motion of two driven disks, which not only occupies a large space, but also is costly.
In addition, the bridge driving system needs to have three sets of parallel shafts, which are respectively: a first set of shafts consisting of coaxial motor shaft Se and first shaft S1, a second set of shafts consisting of second shaft S2, and a third set of shafts consisting of first output half shaft S01 and second output half shaft S02 of differential D. The radial space occupied by the three sets of parallel axes is large.
Disclosure of Invention
It is an object of the present invention to overcome or at least alleviate the above-mentioned deficiencies of the prior art and to provide a two speed drive system for an electric bridge.
The invention provides a two-gear speed-changing bridge driving system which comprises a motor, a synchronizer, a first joint gear ring, a second joint gear ring, a planetary gear set and a first shaft,
the rotor of the electric machine and the first shaft transmit torque to each other,
the synchronizer includes a sliding sleeve that enables the hub to be selectively connected non-rotatably with the first engaging ring gear or the second engaging ring gear, and a hub for transmitting torque to the differential,
the first engaging ring gear is connected non-rotatably with the first shaft,
the second, engaging ring gear is non-rotatably connected with the carrier of the planetary gear set,
the first shaft is also connected in a rotationally fixed manner to the sun gear of the planetary gear set,
the ring gear of the planetary gear set is fixed.
In at least one embodiment, the gear hub and the first shaft are rotatably sleeved on the outer periphery of the first shaft.
In at least one embodiment, the bridge drive system further includes a first gear set first gear non-rotatably connected to the rotor and a first gear set second gear non-rotatably connected to the first shaft in meshing engagement with each other.
In at least one embodiment, the radius of the first gear set second gear is greater than the radius of the first gear set first gear.
In at least one embodiment, the bridge drive system further includes a motor shaft that non-rotatably connects the first gear of the first gear set and the rotor, the motor shaft being a hollow shaft.
In at least one embodiment, the bridge drive system further comprises a second set of intermeshing first and second gears, the second set of first gears being non-rotatably connected to the hub and the second set of second gears being configured to transfer torque to the differential.
In at least one embodiment, the second gear of the second gear set is connected in a rotationally fixed manner to the housing of the differential.
In at least one embodiment, the radius of the second gear set second gear is greater than the radius of the second gear set first gear.
In at least one embodiment, the bridge drive system further comprises the differential, the output half shafts of the differential being disposed coaxially with the motor, one of the output half shafts of the differential passing through the rotor.
In at least one embodiment, the output half shaft of the differential is disposed parallel to the first axis.
The electric bridge driving system has compact structure and small occupied space and can realize two-gear speed change.
Drawings
FIG. 1 is a schematic diagram of a possible two-speed electric bridge drive system.
FIG. 2 is a schematic diagram of a two-speed power bridge drive system according to one embodiment of the present invention.
Description of reference numerals:
e, a motor; a differential mechanism D; c double clutch
A Se motor shaft; s1, S10 first axis; s2 second axis; s01 a first output half shaft; s02 second output half shaft;
g1 first gear set; g2 second gear set; g3 third gear set;
g11 first gear of the first gear set; g12 first gear set second gear; g21 second gear set first gear; g22 second gear set second gear;
10, a synchronizer; 11, a sliding sleeve; a 12-tooth hub;
21 a first engaging ring gear; 22 a second engaging ring gear;
30 planetary gear sets; 31 a sun gear; 32 planet gears; 33 a planet carrier; 34 ring gear;
r is radial; a axial direction.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is intended only to teach one skilled in the art how to practice the invention, and is not intended to be exhaustive or to limit the scope of the invention.
Referring to fig. 1, a indicates an axial direction of the bridge drive system, which is coincident with an axial direction of a motor E in the bridge drive system, unless otherwise specified; r denotes the radial direction of the bridge drive system, which corresponds to the radial direction of the electric machine E in the bridge drive system.
In the present embodiment, the bridge drive system includes the motor E, the differential D, the synchronizer 10, the first engaging ring gear 21, the second engaging ring gear 22, the planetary gear set 30, the first gear set first gear G11 and the first gear set second gear G12 that are meshed with each other, the second gear set first gear G21 and the second gear set second gear G22 that are meshed with each other, the motor shaft Se, and the first shaft S10.
The first gear set can transfer torque from the electric machine E to the first shaft S10 and the second gear set can transfer torque from the synchronizer 10 to the differential D. The synchronizer 10 is used to change the gear ratio between the first and second gear sets.
The motor shaft Se is disposed in parallel with the first shaft S10.
The motor shaft Se connects the rotor of the electric motor E in a rotationally fixed manner to the first gear set first gear G11, which is connected in a rotationally fixed manner to the first shaft S10, and the second gear G12.
The synchronizer 10, the first engaging ring gear 21, the second engaging ring gear 22, and the planetary gear set 30 are all coaxially disposed with the first shaft S10.
The synchronizer 10 includes a slide sleeve 11, a hub gear 12, and two synchronizer rings. The slide sleeve 11 is engaged with the hub gear 12, and the slide sleeve 11 can slide reciprocally in the axial direction a, so that the first engaging gear ring 21 and the second engaging gear ring 22 are selectively engaged with the hub gear 12. The movement of the sliding sleeve 11 is effected, for example, by means of an actuator which can be moved in the axial direction a.
The hub 12 is rotatably fitted to the first shaft S10 with respect to the first shaft S10.
The first ring gear 21 is connected to the first shaft S10 in a rotationally fixed manner.
The second ring gear 22 is connected in a rotationally fixed manner to the carrier 33 of the planetary gear set 30, or the second ring gear 22 is part of the carrier 33.
The sun gear 31 of the planetary gear set 30 is connected in a rotationally fixed manner to the first shaft S10. The ring gear 34 of the planetary gear set 30 is fixed, e.g., to the housing of the bridge drive system.
The hub 12 transfers torque to the differential D through a second gear set.
The second gear set first gear G21 is sleeved on the first shaft S10, and the second gear set first gear G21 is connected with the gear hub 12 in a torque-proof manner.
The second gear G22 of the second gear set is connected in a rotationally fixed manner to the housing of the differential D.
Both output half shafts (first output half shaft S01 and second output half shaft S02) of the differential D are coaxially disposed with the motor E. The first output half shaft S01 passes through the rotor of the electric machine E, the housing of the differential D is located on one axial side of the electric machine E, and the first output half shaft S01 passes through the rotor in the axial direction a to extend to the other axial side of the electric machine E.
The motor shaft Se and the first gear G11 of the first gear set are both hollow structures for the first output half shaft S01 to pass through.
When first ring gear 21 is engaged with hub 12, the bridge drive system has a first gear. The power transmission path at this time is: the electric machine E, the first gear set first gear G11, the first gear set second gear G12, the first shaft S10, the first engaging ring gear 21, the hub 12, the second gear set first gear G21, the second gear set second gear G22 to the differential D.
When second mating ring gear 22 is engaged with hub 12, the bridge drive system has a second gear. The power transmission path at this time is: the electric machine E, the first gear set first gear G11, the first gear set second gear G12, the first shaft S10, the sun gear 31, the planet gears 32, the planet carrier 33, the second ring gear 22, the hub 12, the second gear set first gear G21, the second gear set second gear G22 to the differential D.
Preferably, the radius of the first gear set second gear G12 is greater than the radius of the first gear set first gear G11, and the radius of the second gear set second gear G22 is greater than the radius of the second gear set first gear G21.
The invention has at least one of the following advantages:
(i) the invention utilizes the synchronizer 10 to realize the switching between two gears, and only one actuator is used for driving the sliding sleeve 11 to slide along the axial direction.
(ii) The motor shaft Se and the output half shaft of the differential D are coaxially arranged, so that the input shaft and the output shaft of the system can be collinear, and the arrangement of parts in the vehicle is facilitated.
(iii) The bridge drive system according to the invention has only one shaft (i.e. the first shaft S10) offset in the radial direction R from the motor shaft Se, the system taking up little space in the radial direction R.
(iv) The bridge drive system according to the present invention uses the planetary gear set 30 to provide not only two gear ratios in conjunction with the synchronizer 10, but also a large gear ratio.
Of course, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various modifications to the above-described embodiments of the present invention without departing from the scope of the present invention under the teaching of the present invention.

Claims (10)

1. A two-speed bridge drive system includes an electric machine (E), a synchronizer (10), a first engaging ring gear (21), a second engaging ring gear (22), a planetary gear set (30), and a first shaft (S10),
the rotor of the electric machine (E) and the first shaft (S10) transmit torque to each other,
the synchronizer (10) comprises a sliding sleeve (11) and a gear hub (12), the sliding sleeve (11) can enable the gear hub (12) to be selectively connected with the first joint gear ring (21) or the second joint gear ring (22) in a non-rotatable mode, the gear hub (12) is used for transmitting torque to a differential (D),
the first engaging ring gear (21) is connected non-rotatably to the first shaft (S10),
the second ring gear (22) is connected in a rotationally fixed manner to a planet carrier (33) of the planetary gear set (30),
the first shaft (S10) is also connected in a rotationally fixed manner to the sun gear (31) of the planetary gear set (30),
the ring gear (34) of the planetary gear set (30) is fixed.
2. The two-speed shift bridge driving system according to claim 1, wherein the hub (12) and the first shaft (S10) are rotatably sleeved on the outer circumference of the first shaft (S10).
3. The two-speed bridge drive system according to claim 1, further comprising a first gear set first gear (G11) and a first gear set second gear (G12) that are meshed with each other, the first gear set first gear (G11) being non-rotatably connected with the rotor, the first gear set second gear (G12) being non-rotatably connected with the first shaft (S10).
4. The two-speed power bridge drive system according to claim 3, wherein the radius of the first gear set second gear (G12) is larger than the radius of the first gear set first gear (G11).
5. The two-speed power bridge drive system according to claim 3, further comprising a motor shaft (Se) connecting the first gear set first gear (G11) and the rotor together in a non-rotatable manner, the motor shaft (Se) being a hollow shaft.
6. The bridge drive system for a two-speed transmission according to claim 1, further comprising a first gear set gear (G21) and a second gear set second gear (G22) which are meshed with each other, the second gear set first gear (G21) being non-rotatably connected to the hub (12), the second gear set second gear (G22) being used for transmitting torque to the differential (D).
7. The two-speed bridge drive system according to claim 6, wherein the second gear set second gear wheel (G22) is connected in a rotationally fixed manner to a housing of the differential (D).
8. The two-speed bridge drive system according to claim 6, wherein the second gear set second gear wheel (G22) has a larger radius than the second gear set first gear wheel (G21).
9. The two-speed bridge drive system according to claim 6, further comprising said differential (D), an output half shaft of said differential (D) being coaxially arranged with said electric machine (E), one of the output half shafts of said differential (D) passing through said rotor.
10. The two-speed bridge drive system according to claim 9, wherein the output half shaft of the differential (D) is arranged in parallel with the first shaft (S10).
CN202010895344.9A 2020-08-31 2020-08-31 Two-gear speed change bridge driving system Pending CN114103614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010895344.9A CN114103614A (en) 2020-08-31 2020-08-31 Two-gear speed change bridge driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010895344.9A CN114103614A (en) 2020-08-31 2020-08-31 Two-gear speed change bridge driving system

Publications (1)

Publication Number Publication Date
CN114103614A true CN114103614A (en) 2022-03-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010895344.9A Pending CN114103614A (en) 2020-08-31 2020-08-31 Two-gear speed change bridge driving system

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738398A (en) * 2022-05-10 2022-07-12 潍柴动力股份有限公司 Self-learning method, device and equipment for clutch of hybrid electric vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738398A (en) * 2022-05-10 2022-07-12 潍柴动力股份有限公司 Self-learning method, device and equipment for clutch of hybrid electric vehicle
CN114738398B (en) * 2022-05-10 2024-04-16 潍柴动力股份有限公司 Clutch self-learning method, device and equipment for hybrid electric vehicle

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